Window lock



FIG. 1 is an exploded front elevational view of the window lock showingour new design;

FIG. 2 is an exploded rear elevational view thereof;

FIG. 3 is an exploded right view thereof;

FIG. 4 is an exploded left view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The ornamental design for a window lock, as shown and described.